test/rma_auth: Pad authcode before passing it to rma_try_authcode

rma_try_authcode expects a buffer that is at least RMA_AUTHCODE_CHARS
long, so copy the input string to a buffer before calling the
function, else AddressSanitizer will complain.

BRANCH=none
BUG=chromium:854924
TEST=make TEST_ASAN=y run-rma_auth -j

Change-Id: Iff2b195a7c7b01b925df6d9f53e0055f98f59ded
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1109658
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2 files changed